Varous improvements

src/Repositories/PostRepository.php

@@ -0,0 +1,66 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Repositories;
+
+use Medoo\Medoo;
+use App\Models\Post;
+
+final class PostRepository
+{
+    public function __construct(private Medoo $db)
+    {
+    }
+
+    public function findAll(): array
+    {
+        $rows = $this->db->select('post', '*', ['ORDER' => ['id' => 'DESC']]);
+        return array_map(fn ($row) => Post::fromArray($row), $rows ?: []);
+    }
+
+    public function findBySlug(string $slug): ?Post
+    {
+        $row = $this->db->get('post', '*', ['slug' => $slug]);
+        return $row ? Post::fromArray($row) : null;
+    }
+
+    public function findById(int $id): ?Post
+    {
+        $row = $this->db->get('post', '*', ['id' => $id]);
+        return $row ? Post::fromArray($row) : null;
+    }
+
+    public function create(Post $post, string $slug): int
+    {
+        $this->db->insert('post', [
+            'title' => $post->getTitle(),
+            'content' => $post->getContent(),
+            'slug' => $slug,
+            'created_at' => date('Y-m-d H:i:s'),
+            'updated_at' => date('Y-m-d H:i:s'),
+        ]);
+        return (int) $this->db->id();
+    }
+
+    public function update(int $id, Post $post, string $slug): void
+    {
+        $this->db->update('post', [
+            'title' => $post->getTitle(),
+            'content' => $post->getContent(),
+            'slug' => $slug,
+            'updated_at' => date('Y-m-d H:i:s'),
+        ], ['id' => $id]);
+    }
+
+    public function delete(int $id): void
+    {
+        $this->db->delete('post', ['id' => $id]);
+    }
+
+    public function slugExists(string $slug, ?int $excludeId = null): bool
+    {
+        $existing = $this->db->get('post', 'id', ['slug' => $slug]);
+        return $existing && (!$excludeId || $existing !== $excludeId);
+    }
+}